Irving (Yitz) is a rabbi, theologian, educator, activist, and writer.  He was President of Jewish Life Network/Steinhardt Foundation for 10 years, and was one of the founders of its initiated partnerships with programs such as birthright Israel, as well as having involvement in other Jewish organizations. He has written extensively on theology after the holocaust, the theory and practice of pluralism, and on Jewish-Christian relationship, and is currently writing a comprehensive theology of Judaism as the religion of tikkun olam – seeking to perfect the world through the victory of life over death.